package com.briup.day04;

/**
 * @author ThinkBook
 */
public class Test04_mssec {
    public static void main(String[] args) {
    long mssec= 24*60*60*1000;
        System.out.println("毫秒数："+mssec);
    long ussec= 24*60*60*1000*1000L;
        System.out.println("微秒数："+ussec);
    }
}
